upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/prodrive/alpr/init.S

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1.8 KiB

/*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm-offsets.h>
#include <ppc_asm.tmpl>
#include <asm/mmu.h>
#include <config.h>
#include <asm/ppc4xx.h>
/**************************************************************************
* TLB TABLE
*
* This table is used by the cpu boot code to setup the initial tlb
* entries. Rather than make broad assumptions in the cpu source tree,
* this table lets each board set things up however they like.
*
* Pointer to the table is returned in r1
*
*************************************************************************/
.section .bootpg,"ax"
.globl tlbtab
tlbtab:
tlbtab_start
tlbentry(0xff000000, SZ_16M, 0xff000000, 1, AC_RWX | SA_IG )
tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX)
tlbentry(CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX)
#ifdef CONFIG_4xx_DCACHE
tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_G)
#else
tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG)
#endif
#ifdef CONFIG_SYS_INIT_RAM_DCACHE
/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G)
#endif
tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG)
/* PCI */
tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 3, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 3, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 3, AC_RW | SA_IG)
/* NAND */
tlbentry(CONFIG_SYS_NAND_BASE, SZ_4K, CONFIG_SYS_NAND_BASE, 1, AC_RWX | SA_IG)
tlbtab_end